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* HTTPProxy.cpp : allow "tranparent" proxy (#508)

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hagen 2016-06-04 00:00:00 +00:00
parent e4edc59689
commit 66c301c031
1 changed files with 22 additions and 3 deletions
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25
HTTPProxy.cpp
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@ -192,9 +192,28 @@ namespace proxy {
std::string dest_host = url.host; std::string dest_host = url.host;
uint16_t dest_port = url.port; uint16_t dest_port = url.port;
/* convert proxy-style http req to ordinary one: */ /* set proper 'Host' header in upstream request */
/* 1) replace Host header, 2) make relative url */ auto h = req.headers.find("Host");
req.add_header("Host", url.host, true); if (dest_host != "") {
/* absolute url, replace 'Host' header */
std::string h = dest_host;
if (dest_port != 0 && dest_port != 80)
h += ":" + std::to_string(dest_port);
req.add_header("Host", h, true);
} else if (h != req.headers.end()) {
/* relative url and 'Host' header provided. transparent proxy mode? */
i2p::http::URL u;
std::string t = "http://" + h->second;
u.parse(t);
dest_host = u.host;
dest_port = u.port;
} else {
/* relative url and missing 'Host' header */
std::string message = "Can't detect destination host from request";
HTTPRequestFailed(message.c_str());
return true;
}
/* make relative url */
url.schema = ""; url.schema = "";
url.host = ""; url.host = "";
req.uri = url.to_string(); req.uri = url.to_string();